Aquarellum painting sets use an innovative & unique technique that deliver perfect results every time. Using an invisible wax outline on high quality vellum paper the paints are magically directed onto the artwork making it possible to consistently deliver a high quality painting. The painting sets come with a selection of liquid watercolour paints ( these are non-toxic and washable ), a dropper & palette for mixing colours, quality paintbrush, colour mixing chart & instructions.Box Dimensions: 26.5 x 3 x 19.5 cm - comes with 4 picture boards